Search a number
-
+
311113111001 = 7114040430013
BaseRepresentation
bin1001000011011111100…
…10010101010111011001
31002202001000012120002212
410201233302111113121
520044124424023001
6354531241404505
731322446545020
oct4415762252731
91082030176085
10311113111001
1110aa40271060
1250367199735
132345130a634
14110b50578b7
15815d1427bb
hex486fc955d9

311113111001 has 8 divisors (see below), whose sum is σ = 387881281344. Its totient is φ = 242425800720.

The previous prime is 311113110991. The next prime is 311113111007. The reversal of 311113111001 is 100111311113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-311113111001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311113111007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020214930 + ... + 2020215083.

It is an arithmetic number, because the mean of its divisors is an integer number (48485160168).

Almost surely, 2311113111001 is an apocalyptic number.

It is an amenable number.

311113111001 is a deficient number, since it is larger than the sum of its proper divisors (76768170343).

311113111001 is a wasteful number, since it uses less digits than its factorization.

311113111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040430031.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 311113111001 its reverse (100111311113), we get a palindrome (411224422114).

The spelling of 311113111001 in words is "three hundred eleven billion, one hundred thirteen million, one hundred eleven thousand, one".

Divisors: 1 7 11 77 4040430013 28283010091 44444730143 311113111001